<template>
	<div>
		<div class="search">
			<input v-model="keyword" type="text" 
				class="search-input" 
				placeholder="输入城市名或拼音"
			/>
		</div>
		<div class="search-content" ref="search" v-show="keyword">
			<ul>
				<li class="search-item border-bottom" 
					v-for="item of list" 
					:key="item.id"
					@click="handleCityClick(item.name)"
				>
					{{item.name}}
				</li>
				<li class="search-item border-bottom" v-show="hasNodata">
					没有找到匹配数据
				</li>
			</ul>
		</div>
	</div>
</template>

<script>
import { mapMutations} from 'vuex'
import Bscroll from 'better-scroll'
export default {
  name: 'CitySearch',
  props:{
  	cities:Object
  },
  data () {
  	return {
  		keyword:'',
  		list:[],
  		timer:null
  	}
  },
  methods: {
	  	handleCityClick (city) {
//	  		this.$store.dispatch('changeCity',city)
//	  		this.$store.commit('changeCity',city)
			this.changeCity(city)
	  		this.$router.push('/')
	  	},
	  	...mapMutations(['changeCity'])
	  },
  computed: {
  	hasNodata () {
  		return !this.list.length
  	}
  },
	watch: {
	  	keyword () {
	  		if (this.timer) {
	  			clearTimeout(this.timer)
	  		}
	  		this.timer = setTimeout(() => {
	  			const result =[]
	  			for (let i in this.cities) {
	  				this.cities[i].forEach((value) =>{
	  					if (value.spell.indexOf(this.keyword) > -1 || 
	  						value.name.indexOf(this.keyword) > -1) {
	  						result.push(value)
	  					}
	  				})
	  			}
	  			this.list = result
	  		},100)
	  	}
	  },
  mounted () {
  	this.scroll = new Bscroll(this.$refs.search)
  }
}
</script>

<style lang="stylus" scoped>
	@import '~styles/varibles.styl'
	.search
		height:.72rem
		/*line-height:.72rem*/
		background:$bgColor
		
		padding:0 .1rem
		.search-input
			box-sizing:border-box
			height:.62rem
			padding:0 .1rem
			line-height:.62rem
			width:100%
			color:#666
			border-radius:.06rem
			text-align:center
	.search-content
		z-index: 1
		overflow: hidden
		position: absolute
		top: 1.58rem
		left: 0
		right: 0
		bottom: 0
		background:#eee
		.search-item{
			line-height: .62rem;
			padding-left: .2rem;
			color: #666;
			background: #fff;
		}
			
	
		
</style>